207500590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 421666560

約数和(自身を除く): 214165970

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 139, 205, 278, 331, 410, 451, 662, 695, 902, 1390, 1529, 1655, 2255, 3058, 3310, 3641, 4510, 5699, 7282, 7645, 11398, 13571, 15290, 18205, 27142, 28495, 36410, 46009, 56990, 62689, 67855, 92018, 125378, 135710, 149281, 230045, 298562, 313445, 460090, 506099, 626890, 746405, 1012198, 1492810, 1886369, 2530495, 3772738, 5060990, 9431845, 18863690, 20750059, 41500118, 103750295, 207500590]

約数ペア:

[(1, 207500590), (2, 103750295), (5, 41500118), (10, 20750059), (11, 18863690), (22, 9431845), (41, 5060990), (55, 3772738), (82, 2530495), (110, 1886369), (139, 1492810), (205, 1012198), (278, 746405), (331, 626890), (410, 506099), (451, 460090), (662, 313445), (695, 298562), (902, 230045), (1390, 149281), (1529, 135710), (1655, 125378), (2255, 92018), (3058, 67855), (3310, 62689), (3641, 56990), (4510, 46009), (5699, 36410), (7282, 28495), (7645, 27142), (11398, 18205), (13571, 15290)]